Milkovich, George T., author
Tex Business Publications , 1985
Buku Teks
Carrell, Michael R., author
Macmillan, 1992
Buku Teks
Bernardin, H. John, author
McGraw-Hil, 1993
Buku Teks
Glueck, William F., author
Business Publications , 1982
Buku Teks
Irwin, 1989
Buku Teks